DE69306295T2 - Regelung des Gegendrucks beim Farbstrahldrucken - Google Patents

Regelung des Gegendrucks beim Farbstrahldrucken

Info

Publication number
DE69306295T2
DE69306295T2 DE69306295T DE69306295T DE69306295T2 DE 69306295 T2 DE69306295 T2 DE 69306295T2 DE 69306295 T DE69306295 T DE 69306295T DE 69306295 T DE69306295 T DE 69306295T DE 69306295 T2 DE69306295 T2 DE 69306295T2
Authority
DE
Germany
Prior art keywords
back pressure
container
ink
reservoir
regulator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69306295T
Other languages
German (de)
English (en)
Other versions
DE69306295D1 (de
Inventor
Robert R Beeson
Bruce Cowger
Christopher A Schantz
William J West
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of DE69306295D1 publication Critical patent/DE69306295D1/de
Application granted granted Critical
Publication of DE69306295T2 publication Critical patent/DE69306295T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17513—Inner structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17593—Supplying ink in a solid state
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17596—Ink pumps, ink valves

Landscapes

  • Ink Jet (AREA)
  • Reciprocating Pumps (AREA)
DE69306295T 1992-04-24 1993-04-15 Regelung des Gegendrucks beim Farbstrahldrucken Expired - Lifetime DE69306295T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87391892A 1992-04-24 1992-04-24

Publications (2)

Publication Number Publication Date
DE69306295D1 DE69306295D1 (de) 1997-01-16
DE69306295T2 true DE69306295T2 (de) 1997-04-03

Family

ID=25362598

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69306295T Expired - Lifetime DE69306295T2 (de) 1992-04-24 1993-04-15 Regelung des Gegendrucks beim Farbstrahldrucken

Country Status (5)

Country Link
US (1) US5646666A (enrdf_load_stackoverflow)
EP (1) EP0567270B1 (enrdf_load_stackoverflow)
JP (1) JPH06183030A (enrdf_load_stackoverflow)
DE (1) DE69306295T2 (enrdf_load_stackoverflow)
HK (1) HK91797A (enrdf_load_stackoverflow)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW373595U (en) * 1994-05-25 1999-11-01 Canon Kk An ink container and an ink jet recording apparatus using the same
US6164742A (en) * 1994-09-14 2000-12-26 Hewlett-Packard Company Active accumulator system for an ink-jet pen
US5825387A (en) * 1995-04-27 1998-10-20 Hewlett-Packard Company Ink supply for an ink-jet printer
US5854646A (en) * 1995-04-27 1998-12-29 Hewlett-Packard Company Diaphragm pump for ink supply
US6183077B1 (en) 1995-04-27 2001-02-06 Hewlett-Packard Company Method and apparatus for keying ink supply containers
US5847734A (en) 1995-12-04 1998-12-08 Pawlowski, Jr.; Norman E. Air purge system for an ink-jet printer
KR100209516B1 (ko) * 1997-02-05 1999-07-15 윤종용 잉크젯 프린트 헤드의 잉크 저장 장치 및 방법
US5905518A (en) * 1998-04-29 1999-05-18 Hewlett-Packard Company One shot air purge for replaceable ink supply
CA2275370A1 (en) * 1998-06-24 1999-12-24 Owens-Illinois Closure Inc. Liquid containment and dispensing device
US6428156B1 (en) 1999-11-02 2002-08-06 Hewlett-Packard Company Ink delivery system and method for controlling fluid pressure therein
US6705711B1 (en) * 2002-06-06 2004-03-16 Oće Display Graphics Systems, Inc. Methods, systems, and devices for controlling ink delivery to one or more print heads
JP3991853B2 (ja) * 2002-09-12 2007-10-17 セイコーエプソン株式会社 インクカートリッジ
US7052121B2 (en) * 2002-12-10 2006-05-30 Seiko Epson Corporation Ink cartridge and ink jet printer
JP4401649B2 (ja) * 2002-12-13 2010-01-20 キヤノン株式会社 太陽電池モジュールの製造方法
CA2745944C (en) 2003-03-26 2012-07-31 Seiko Epson Corporation Liquid container
JP2004314600A (ja) * 2003-04-04 2004-11-11 Canon Inc 液体収納容器、液体使用装置および記録装置、並びにインクジェットカートリッジ
US6786580B1 (en) 2003-06-18 2004-09-07 Lexmark International, Inc. Submersible ink source regulator for an inkjet printer
US6796644B1 (en) 2003-06-18 2004-09-28 Lexmark International, Inc. Ink source regulator for an inkjet printer
US6776478B1 (en) 2003-06-18 2004-08-17 Lexmark International, Inc. Ink source regulator for an inkjet printer
US6817707B1 (en) 2003-06-18 2004-11-16 Lexmark International, Inc. Pressure controlled ink jet printhead assembly
US6837577B1 (en) * 2003-06-18 2005-01-04 Lexmark International, Inc. Ink source regulator for an inkjet printer
US7147314B2 (en) * 2003-06-18 2006-12-12 Lexmark International, Inc. Single piece filtration for an ink jet print head
US20040257412A1 (en) * 2003-06-18 2004-12-23 Anderson James D. Sealed fluidic interfaces for an ink source regulator for an inkjet printer
US7111917B2 (en) * 2004-01-07 2006-09-26 Xerox Corporation Pressure pump system
CN2719043Y (zh) 2004-04-14 2005-08-24 韩力 雾化电子烟
WO2005118300A1 (ja) * 2004-06-01 2005-12-15 Canon Finetech Inc. インク供給装置、記録装置、インク供給方法、および記録方法
US7401908B2 (en) * 2005-03-31 2008-07-22 Heidelberger Druckmaschinen Ag Ink jet device with ink deaerator
US7467858B2 (en) * 2005-10-12 2008-12-23 Hewlett-Packard Development Company, L.P. Back pressure control in inkjet printing
US7918530B2 (en) * 2006-02-03 2011-04-05 Rr Donnelley Apparatus and method for cleaning an inkjet printhead
US7726320B2 (en) 2006-10-18 2010-06-01 R. J. Reynolds Tobacco Company Tobacco-containing smoking article
EP1932671A1 (en) * 2006-12-11 2008-06-18 Agfa Graphics N.V. Shuttle mounted pressure control device for injet printer
US20090021542A1 (en) * 2007-06-29 2009-01-22 Kanfoush Dan E System and method for fluid transmission and temperature regulation in an inkjet printing system
WO2009150640A1 (en) * 2008-06-10 2009-12-17 Hewlett-Packard Industrial Printing Ltd. Inkjet system with backpressure capacitor
KR101132364B1 (ko) * 2008-09-08 2012-04-03 삼성전기주식회사 잉크젯 프린터
JP5551426B2 (ja) * 2008-12-19 2014-07-16 ギガフォトン株式会社 ターゲット供給装置
US8757147B2 (en) 2010-05-15 2014-06-24 Minusa Holdings Llc Personal vaporizing inhaler with internal light source
US11344683B2 (en) 2010-05-15 2022-05-31 Rai Strategic Holdings, Inc. Vaporizer related systems, methods, and apparatus
US9078473B2 (en) 2011-08-09 2015-07-14 R.J. Reynolds Tobacco Company Smoking articles and use thereof for yielding inhalation materials
US8888208B2 (en) 2012-04-27 2014-11-18 R.R. Donnelley & Sons Company System and method for removing air from an inkjet cartridge and an ink supply line
US10039321B2 (en) 2013-11-12 2018-08-07 Vmr Products Llc Vaporizer
WO2015073975A1 (en) 2013-11-15 2015-05-21 VMR Products, LLC Vaporizer with cover sleeve
US9839238B2 (en) 2014-02-28 2017-12-12 Rai Strategic Holdings, Inc. Control body for an electronic smoking article
USD788697S1 (en) 2014-03-04 2017-06-06 VMR Products, LLC Battery portion for a vaporizer
USD763502S1 (en) 2014-03-04 2016-08-09 Vmr Products Llc Cartomizer for a vaporizer
USD752280S1 (en) 2014-03-07 2016-03-22 VMR Products, LLC Cartomizer for a vaporizer
USD752278S1 (en) 2014-03-07 2016-03-22 VMR Products, LLC Battery portion of a vaporizer
USD749505S1 (en) 2014-03-07 2016-02-16 VMR Products, LLC Charger for a vaporizer
USD804090S1 (en) 2014-04-08 2017-11-28 VMR Products, LLC Vaporizer with indicators
USD750320S1 (en) 2014-08-05 2016-02-23 VMR Products, LLC Vaporizer
JP6415114B2 (ja) 2014-05-30 2018-10-31 キヤノン株式会社 液体貯留ユニットとそれを用いた液体吐出装置及び液体貯留ユニットからの気泡の除去方法
US10034494B2 (en) 2015-09-15 2018-07-31 Rai Strategic Holdings, Inc. Reservoir for aerosol delivery devices
CN108778753B (zh) 2016-03-04 2020-04-21 R.R.当纳利父子公司 打印头维护台及其操作方法
WO2017196839A1 (en) 2016-05-09 2017-11-16 R.R. Donnelley & Sons Company System and method for supplying ink to an inkjet printhead
US10000065B1 (en) 2017-06-15 2018-06-19 The Boeing Company Inkjet printing system having dynamically controlled ink reservoir
CA3107413A1 (en) 2018-07-23 2020-01-30 Juul Labs, Inc. Airflow management for vaporizer device
US10974517B2 (en) 2018-10-16 2021-04-13 Electronics For Imaging, Inc. High stability ink delivery systems, and associated print systems and methods
US12256784B2 (en) 2018-10-17 2025-03-25 Juul Labs, Inc. Cartridge for a vaporizer device
EP3876766B1 (en) 2018-11-05 2022-11-23 Juul Labs, Inc. Cartridges for vaporizer devices
WO2020142523A1 (en) 2018-12-31 2020-07-09 Juul Labs, Inc. Cartridges for vaporizer devices
JP7192579B2 (ja) * 2019-03-08 2022-12-20 コニカミノルタ株式会社 インクジェット記録装置及びメンテナンス方法
US11413877B2 (en) 2020-05-21 2022-08-16 The Boeing Company Inkjet printing system having dynamically controlled meniscus pressure

Family Cites Families (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1252424B (enrdf_load_stackoverflow) * 1963-12-17
US3434471A (en) * 1966-04-06 1969-03-25 Smithkline Corp Therapeutic intermittent positive pressure respirator
US3438058A (en) * 1967-08-18 1969-04-08 Foxboro Co Box pen inking system
US3452361A (en) * 1967-12-22 1969-06-24 Leeds & Northrup Co Ink supply for capillary pen
US3560641A (en) * 1968-10-18 1971-02-02 Mead Corp Image construction system using multiple arrays of drop generators
US3946398A (en) * 1970-06-29 1976-03-23 Silonics, Inc. Method and apparatus for recording with writing fluids and drop projection means therefor
US3871004A (en) * 1974-06-26 1975-03-11 Olympia Werke Ag Ink drop writing head
DE2460573A1 (de) * 1974-12-20 1976-07-01 Siemens Ag Vorrichtung fuer tintenstrahlschreiber zur versorgung von piezoelektrisch betriebenen schreibduesen mit schreibfluessigkeit
US4054883A (en) * 1975-03-12 1977-10-18 Kabushiki Kaisha Daini Seikosha Ink pen device
US4121222A (en) * 1977-09-06 1978-10-17 A. B. Dick Company Drop counter ink replenishing system
DE2804927A1 (de) * 1978-02-06 1979-08-09 Rotring Werke Riepe Kg Schreibfluessigkeitspatrone oder -tank
DE2827718C3 (de) * 1978-06-23 1984-11-08 Fa. J.S. Staedtler, 8500 Nürnberg Vorrichtung zum Steuern des Schreibmittelzulaufs zur Schreibeinrichtung mechanischer Schreiber
US4272733A (en) * 1978-10-20 1981-06-09 Allied Chemical Corporation Broadly tunable chromium-doped beryllium aluminate lasers and operation thereof
JPS5574885A (en) * 1978-11-30 1980-06-05 Sharp Corp Liquid feeder
US4238804A (en) * 1979-02-28 1980-12-09 Xerox Corporation Stitching method and apparatus for multiple nozzle ink jet printers
US4234885A (en) * 1979-09-10 1980-11-18 A. B. Dick Company Remote ink valve
GB2063175B (en) * 1979-11-06 1984-02-15 Shinshu Seiki Kk Ink jet printer
JPS5692072A (en) * 1979-12-26 1981-07-25 Canon Inc Ink jet printer
DE3010944C2 (de) * 1980-03-21 1985-08-08 Rotring-Werke Riepe Kg, 2000 Hamburg Schreibgerät
US4318114A (en) * 1980-09-15 1982-03-02 The Mead Corporation Ink jet printer having continuous recirculation during shut down
US4342042A (en) * 1980-12-19 1982-07-27 Pitney Bowes Inc. Ink supply system for an array of ink jet heads
JPS57156262A (en) * 1981-03-19 1982-09-27 Sanyo Electric Co Ltd Ink jet type recording device
US4598729A (en) * 1981-06-19 1986-07-08 Nippondenso Co., Ltd. Negative pressure control valve
IT1144294B (it) * 1981-07-10 1986-10-29 Olivetti & Co Spa Dispositivo di stampa getto selettivo d inchiostro
CA1195178A (en) * 1981-10-08 1985-10-15 Koji Terasawa Capping device for a multi-ink jet head
IT1145241B (it) * 1981-12-23 1986-11-05 Olivetti & Co Spa Testina di stampa seriale a getto d imchiostro
JPS58131071A (ja) * 1982-01-25 1983-08-04 Konishiroku Photo Ind Co Ltd インクジエツト記録装置
US4510510A (en) * 1982-04-13 1985-04-09 Canon Kabushiki Kaisha Inkjet printer
US4412232A (en) * 1982-04-15 1983-10-25 Ncr Corporation Ink jet printer
JPS5962157A (ja) * 1982-10-04 1984-04-09 Canon Inc インクジェット装置
GB2131745B (en) * 1982-10-14 1986-06-25 Epson Corp Ink jet head assembly
US4509062A (en) * 1982-11-23 1985-04-02 Hewlett-Packard Company Ink reservoir with essentially constant negative back pressure
JPS59177929A (ja) * 1983-03-28 1984-10-08 Canon Inc サツクバツクポンプ
US4500895A (en) * 1983-05-02 1985-02-19 Hewlett-Packard Company Disposable ink jet head
IT1162919B (it) * 1983-07-20 1987-04-01 Olivetti & Co Spa Dispositivo di scirttura a getto di inchiostro particolarmente per stampanti ad alta velocita
US4555719A (en) * 1983-08-19 1985-11-26 Videojet Systems International, Inc. Ink valve for marking systems
US4494124A (en) * 1983-09-01 1985-01-15 Eastman Kodak Company Ink jet printer
US4628333A (en) * 1983-12-29 1986-12-09 Canon Kabushiki Kaisha Ink jet recording head and ink jet recorder
JPH0688416B2 (ja) * 1983-12-29 1994-11-09 キヤノン株式会社 インクジエツト記録装置
US4658274A (en) * 1984-10-16 1987-04-14 Exxon Printing Systems, Inc. Melt ink jet apparatus with means and method for repriming
US4580147A (en) * 1984-10-16 1986-04-01 Exxon Research And Engineering Co. Ink jet apparatus with improved reservoir system for handling hot melt ink
US4614948A (en) * 1985-04-12 1986-09-30 Eastman Kodak Company Ink circulation system for continuous ink jet printing apparatus
US4677447A (en) * 1986-03-20 1987-06-30 Hewlett-Packard Company Ink jet printhead having a preloaded check valve
US4769658A (en) * 1986-09-16 1988-09-06 Matsushita Electric Industrial Co., Ltd. Ink jet recording apparatus with pressure adjustable mechanisms for discharging a constant ink amount
US4714937A (en) * 1986-10-02 1987-12-22 Hewlett-Packard Company Ink delivery system
JPS63145039A (ja) * 1986-12-09 1988-06-17 Nec Corp インクジエツト記録装置
JPH07121380B2 (ja) * 1987-03-24 1995-12-25 東京エレクトロン株式会社 液吐出装置
US4814786A (en) * 1987-04-28 1989-03-21 Spectra, Inc. Hot melt ink supply system
JP2659955B2 (ja) * 1987-05-27 1997-09-30 キヤノン株式会社 インクジェット記録装置
US4791438A (en) * 1987-10-28 1988-12-13 Hewlett-Packard Company Balanced capillary ink jet pen for ink jet printing systems
US4920362A (en) * 1988-12-16 1990-04-24 Hewlett-Packard Company Volumetrically efficient ink jet pen capable of extreme altitude and temperature excursions
US4811035A (en) * 1988-03-14 1989-03-07 Eastman Kodak Company Modular two-color fluid system for continuous ink jet printer
US4998120A (en) * 1988-04-06 1991-03-05 Seiko Epson Corporation Hot melt ink jet printing apparatus
US4994824A (en) * 1988-12-16 1991-02-19 Hewlett-Packard Company Modal ink jet printing system
US4992802A (en) * 1988-12-22 1991-02-12 Hewlett-Packard Company Method and apparatus for extending the environmental operating range of an ink jet print cartridge
JPH0312917A (ja) * 1989-06-12 1991-01-21 Nec Corp 半導体装置の製造装置
US5040002A (en) * 1990-03-16 1991-08-13 Hewlett-Packard Company Regulator for ink-jet pens
US5039999A (en) * 1990-06-26 1991-08-13 Hewlett-Packard Company Accumulator and pressure control for ink-ket pens
US5153612A (en) * 1991-01-03 1992-10-06 Hewlett-Packard Company Ink delivery system for an ink-jet pen

Also Published As

Publication number Publication date
DE69306295D1 (de) 1997-01-16
EP0567270B1 (en) 1996-12-04
HK91797A (en) 1997-08-01
US5646666A (en) 1997-07-08
EP0567270A3 (enrdf_load_stackoverflow) 1994-01-05
EP0567270A2 (en) 1993-10-27
JPH06183030A (ja) 1994-07-05

Similar Documents

Publication Publication Date Title
DE69306295T2 (de) Regelung des Gegendrucks beim Farbstrahldrucken
DE69425922T2 (de) Tintenstrahldrucker
DE68919775T2 (de) Abdichtung für Tintenstrahldrucker.
DE3033352C2 (enrdf_load_stackoverflow)
DE69613935T2 (de) Verfahren und Vorrichtung zum Entfernen von Luft aus einer Tintenstrahldruckpatrone
DE69418651T2 (de) Nachfüllverfahren für Farbstrahldruckpatrone
DE69620748T2 (de) Flüssigkeitsmikroventil zum Modulieren eines Flüssigkeitsstromes in einem Tintenstrahldrucker
DE69607139T2 (de) Luftableitung für Tintenstrahlschreiber mit druckregulierter freier Tintenzuführung
DE69221954T2 (de) Tintenbehälter für Tintenstrahlaufzeichnungsgerät
DE68909187T2 (de) Betriebsverfahren eines Ventils.
DE69211747T2 (de) Tintenzuführsystem für Tintenstrahldrucker
DE2722244C3 (de) Strömungsdruckregler
DE3203795A1 (de) "tintenstrahlerzeugungseinrichtung"
DE19910022A1 (de) Drucksteuervorrichtung
DE3300719A1 (de) Anordnung und verfahren zum zufuehren von tinte zum druckkopf eines tintenstrahldruckers
EP3436278B1 (de) Vorrichtung und verfahren zur tintenversorgung beim digitaldruck
DE2261734B2 (de) Tintenstrahlaufzeichnungsgeraet
CH621518A5 (enrdf_load_stackoverflow)
DE2543452B2 (de) Entlüftungsvorrichtung für Tintenversorgungssysteme von Tintenstrahlschreibeinrichtungen
CH693903A5 (de) Ventileinheit in einem Tintenzufuehrkanal eines Tintenstrahlschreibgeraetes, Verwendung der Ventileinheit in einer Tintenpatrone, Tintenzufuehrnadel und Verfahren zur Herstellung der Ventileinh
DE2926399A1 (de) Tintenzufuehrungsvorrichtung fuer einen tintenstrahldrucker
DE69937275T2 (de) Tintenbehälter mit kostantem Druck für Tintenstrahldrucker
EP0237974A1 (de) Verfahren und Vorrichtung zur Regelung der Tintenviskosität in einem Tintenstrahldrucker
EP0007394B1 (de) Vorrichtung zum Steuern des Schreibmittelzulaufs zur Schreibeinrichtung mechanischer Schreiber
DE2720092A1 (de) Ventilanordnung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HEWLETT-PACKARD CO. (N.D.GES.D.STAATES DELAWARE),

8327 Change in the person/name/address of the patent owner

Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE